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31464452140545 = 3516312868896581
BaseRepresentation
bin1110010011101111000110…
…11111100010111000000001
311010101222020202202112101110
413021313203133202320001
513111003144221444140
6150530323022553533
76425142312243444
oct711674337427001
9133358222675343
1031464452140545
11a030aa9a584a6
1236420314388a9
131473114c90a98
147aac5d85765b
153986e1474380
hex1c9de37e2e01

31464452140545 has 16 divisors (see below), whose sum is σ = 50651976946752. Its totient is φ = 16678089967680.

The previous prime is 31464452140523. The next prime is 31464452140559. The reversal of 31464452140545 is 54504125446413.

It is not a de Polignac number, because 31464452140545 - 212 = 31464452136449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31464452140494 and 31464452140503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6434445846 + ... + 6434450735.

It is an arithmetic number, because the mean of its divisors is an integer number (3165748559172).

Almost surely, 231464452140545 is an apocalyptic number.

It is an amenable number.

31464452140545 is a deficient number, since it is larger than the sum of its proper divisors (19187524806207).

31464452140545 is a wasteful number, since it uses less digits than its factorization.

31464452140545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12868896752.

The product of its (nonzero) digits is 4608000, while the sum is 48.

Adding to 31464452140545 its reverse (54504125446413), we get a palindrome (85968577586958).

The spelling of 31464452140545 in words is "thirty-one trillion, four hundred sixty-four billion, four hundred fifty-two million, one hundred forty thousand, five hundred forty-five".

Divisors: 1 3 5 15 163 489 815 2445 12868896581 38606689743 64344482905 193033448715 2097630142703 6292890428109 10488150713515 31464452140545