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47152064988 = 223276714918743
BaseRepresentation
bin101011111010011110…
…110110100111011100
311111201002221002020100
4223322132312213130
51233031412034423
633354504221100
73256320640140
oct537236664734
9144632832210
1047152064988
1118aa7125356
12917b16a790
1345a5a2b292
1423d43cd220
15135e83c343
hexafa7b69dc

47152064988 has 144 divisors (see below), whose sum is σ = 139185446400. Its totient is φ = 13181173632.

The previous prime is 47152064933. The next prime is 47152065001. The reversal of 47152064988 is 88946025174.

It is a happy number.

47152064988 is a `hidden beast` number, since 4 + 71 + 520 + 6 + 49 + 8 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2506345 + ... + 2525087.

It is an arithmetic number, because the mean of its divisors is an integer number (966565600).

Almost surely, 247152064988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47152064988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69592723200).

47152064988 is an abundant number, since it is smaller than the sum of its proper divisors (92033381412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47152064988 is a wasteful number, since it uses less digits than its factorization.

47152064988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18976 (or 18971 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 47152064988 in words is "forty-seven billion, one hundred fifty-two million, sixty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 67 84 126 134 149 201 252 268 298 402 447 469 596 603 804 894 938 1043 1206 1341 1407 1788 1876 2086 2412 2682 2814 3129 4172 4221 5364 5628 6258 8442 9387 9983 12516 16884 18743 18774 19966 29949 37486 37548 39932 56229 59898 69881 74972 89847 112458 119796 131201 139762 168687 179694 209643 224916 262402 279524 337374 359388 393603 419286 524804 628929 674748 787206 838572 1180809 1255781 1257858 1574412 2361618 2511562 2515716 2792707 3767343 4723236 5023124 5585414 7534686 8378121 8790467 11170828 11302029 15069372 16756242 17580934 19548949 22604058 25134363 26371401 33512484 35161868 39097898 45208116 50268726 52742802 58646847 78195796 79114203 100537452 105485604 117293694 158228406 175940541 187111369 234587388 316456812 351881082 374222738 561334107 703762164 748445476 1122668214 1309779583 1684002321 2245336428 2619559166 3368004642 3929338749 5239118332 6736009284 7858677498 11788016247 15717354996 23576032494 47152064988