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50408976380 = 22572193318179
BaseRepresentation
bin101110111100100110…
…111110111111111100
311211010002101022202012
4232330212332333330
51311214144221010
635054011150352
73433116141500
oct567446767774
9154102338665
1050408976380
111a41860a064
129929a453b8
1349a4704c99
142622b90300
1514a072d005
hexbbc9beffc

50408976380 has 144 divisors (see below), whose sum is σ = 130030588800. Its totient is φ = 16321979520.

The previous prime is 50408976367. The next prime is 50408976407. The reversal of 50408976380 is 8367980405.

It is a super-4 number, since 4×504089763804 (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6159131 + ... + 6167309.

It is an arithmetic number, because the mean of its divisors is an integer number (902990200).

Almost surely, 250408976380 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 50408976380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65015294400).

50408976380 is an abundant number, since it is smaller than the sum of its proper divisors (79621612420).

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

50408976380 is a wasteful number, since it uses less digits than its factorization.

50408976380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8552 (or 8543 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 50408976380 in words is "fifty billion, four hundred eight million, nine hundred seventy-six thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 49 70 76 95 98 133 140 190 196 245 266 331 380 490 532 662 665 931 980 1324 1330 1655 1862 2317 2660 3310 3724 4634 4655 6289 6620 8179 9268 9310 11585 12578 16219 16358 18620 23170 25156 31445 32438 32716 40895 44023 46340 57253 62890 64876 81095 81790 88046 114506 125780 155401 162190 163580 176092 220115 229012 286265 308161 310802 324380 400771 440230 572530 616322 621604 777005 801542 880460 1087807 1145060 1232644 1540805 1554010 1603084 2003855 2175614 2707249 3081610 3108020 4007710 4351228 5414498 5439035 6163220 7614649 8015420 10828996 10878070 13536245 15229298 18950743 21756140 27072490 30458596 37901486 38073245 51437731 54144980 75802972 76146490 94753715 102875462 132655201 152292980 189507430 205750924 257188655 265310402 360064117 379014860 514377310 530620804 663276005 720128234 1028754620 1326552010 1440256468 1800320585 2520448819 2653104020 3600641170 5040897638 7201282340 10081795276 12602244095 25204488190 50408976380