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69807727044 = 223311222923327
BaseRepresentation
bin100000100000011011…
…1010110000111000100
320200012000112221222000
41001000313112013010
52120431234231134
652022541505300
75020620614046
oct1010067260704
9220160487860
1069807727044
1127672707600
1211642572230
136776667483
143543285a96
151c387d0e99
hex1040dd61c4

69807727044 has 144 divisors (see below), whose sum is σ = 199808985600. Its totient is φ = 21060578880.

The previous prime is 69807727027. The next prime is 69807727063. The reversal of 69807727044 is 44072770896.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2980909 + ... + 3004235.

It is an arithmetic number, because the mean of its divisors is an integer number (1387562400).

Almost surely, 269807727044 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 69807727044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99904492800).

69807727044 is an abundant number, since it is smaller than the sum of its proper divisors (130001258556).

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

69807727044 is a wasteful number, since it uses less digits than its factorization.

69807727044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23591 (or 23572 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 69807727044 in words is "sixty-nine billion, eight hundred seven million, seven hundred twenty-seven thousand, forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 121 132 198 229 242 297 363 396 458 484 594 687 726 916 1089 1188 1374 1452 2061 2178 2519 2748 3267 4122 4356 5038 6183 6534 7557 8244 10076 12366 13068 15114 22671 23327 24732 27709 30228 45342 46654 55418 68013 69981 83127 90684 93308 110836 136026 139962 166254 209943 249381 256597 272052 279924 332508 419886 498762 513194 629829 748143 769791 839772 997524 1026388 1259658 1496286 1539582 2309373 2519316 2822567 2992572 3079164 4618746 5341883 5645134 6928119 8467701 9237492 10683766 11290268 13856238 16025649 16935402 21367532 25403103 27712476 32051298 33870804 48076947 50806206 58760713 64102596 76209309 96153894 101612412 117521426 144230841 152418618 176282139 192307788 235042852 288461682 304837236 352564278 528846417 576923364 646367843 705128556 1057692834 1292735686 1586539251 1939103529 2115385668 2585471372 3173078502 3878207058 5817310587 6346157004 7756414116 11634621174 17451931761 23269242348 34903863522 69807727044