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34957172472 = 233231031973121
BaseRepresentation
bin100000100011100111…
…000001111011111000
310100020020002100121120
4200203213001323320
51033043014004342
624020433305240
72345162030505
oct404347017370
9110206070546
1034957172472
111390945a092
126937105220
1333b13aa151
14199895c4ac
15d98e20aec
hex8239c1ef8

34957172472 has 128 divisors (see below), whose sum is σ = 92575042560. Its totient is φ = 10978007040.

The previous prime is 34957172447. The next prime is 34957172473. The reversal of 34957172472 is 27427175943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34957172473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11199072 + ... + 11202192.

It is an arithmetic number, because the mean of its divisors is an integer number (723242520).

Almost surely, 234957172472 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 34957172472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46287521280).

34957172472 is an abundant number, since it is smaller than the sum of its proper divisors (57617870088).

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

34957172472 is a wasteful number, since it uses less digits than its factorization.

34957172472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453 (or 3449 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 51.

The spelling of 34957172472 in words is "thirty-four billion, nine hundred fifty-seven million, one hundred seventy-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 103 138 184 197 206 276 309 394 412 552 591 618 788 824 1182 1236 1576 2364 2369 2472 3121 4531 4728 4738 6242 7107 9062 9363 9476 12484 13593 14214 18124 18726 18952 20291 24968 27186 28428 36248 37452 40582 54372 56856 60873 71783 74904 81164 108744 121746 143566 162328 215349 243492 287132 321463 430698 466693 486984 574264 614837 642926 861396 933386 964389 1229674 1285852 1400079 1722792 1844511 1866772 1928778 2459348 2571704 2800158 3689022 3733544 3857556 4918696 5600316 7378044 7393649 7715112 11200632 14141251 14756088 14787298 22180947 28282502 29574596 42423753 44361894 56565004 59149192 63328211 84847506 88723788 113130008 126656422 169695012 177447576 189984633 253312844 339390024 379969266 506625688 759938532 1456548853 1519877064 2913097706 4369646559 5826195412 8739293118 11652390824 17478586236 34957172472