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31470450422532 = 22311534498349117
BaseRepresentation
bin1110010011111010010010…
…00001001011001100000100
311010102112201210120211101120
413021331021001023030010
513111102440302010112
6150533154134553540
76425444045635152
oct711751101131404
9133375653524346
1031470450422532
11a0335a7915540
1236432262088b0
13147385c8a7874
147ab26c33a3d2
15398942d6ce8c
hex1c9f4904b304

31470450422532 has 48 divisors (see below), whose sum is σ = 81618046396992. Its totient is φ = 9356566161280.

The previous prime is 31470450422501. The next prime is 31470450422617. The reversal of 31470450422532 is 23522405407413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249167563 + ... + 2249181554.

It is an arithmetic number, because the mean of its divisors is an integer number (1700375966604).

Almost surely, 231470450422532 is an apocalyptic number.

It is an amenable number.

31470450422532 is an abundant number, since it is smaller than the sum of its proper divisors (50147595974460).

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

31470450422532 is a wasteful number, since it uses less digits than its factorization.

31470450422532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498349188 (or 4498349186 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 42.

Adding to 31470450422532 its reverse (23522405407413), we get a palindrome (54992855829945).

The spelling of 31470450422532 in words is "thirty-one trillion, four hundred seventy billion, four hundred fifty million, four hundred twenty-two thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 53 66 106 132 159 212 318 583 636 1166 1749 2332 3498 6996 4498349117 8996698234 13495047351 17993396468 26990094702 49481840287 53980189404 98963680574 148445520861 197927361148 238412503201 296891041722 476825006402 593782083444 715237509603 953650012804 1430475019206 2622537535211 2860950038412 5245075070422 7867612605633 10490150140844 15735225211266 31470450422532