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97122762620 = 225132930234261
BaseRepresentation
bin101101001110011110…
…1111011111101111100
3100021200122121112120022
41122130331323331330
53042401411400440
6112341221511312
710005535601222
oct1323475737574
9307618545508
1097122762620
113820a2a4074
12169a6272538
13920a6ab710
1449b4c92b12
1527d6844cb5
hex169cf7bf7c

97122762620 has 96 divisors (see below), whose sum is σ = 227349400320. Its totient is φ = 34604559360.

The previous prime is 97122762601. The next prime is 97122762641. The reversal of 97122762620 is 2626722179.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22791290 + ... + 22795550.

It is an arithmetic number, because the mean of its divisors is an integer number (2368222920).

Almost surely, 297122762620 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 97122762620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113674700160).

97122762620 is an abundant number, since it is smaller than the sum of its proper divisors (130226637700).

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

97122762620 is a wasteful number, since it uses less digits than its factorization.

97122762620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335 (or 7333 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 97122762620 in words is "ninety-seven billion, one hundred twenty-two million, seven hundred sixty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 29 52 58 65 116 130 145 260 290 377 580 754 1508 1885 3023 3770 4261 6046 7540 8522 12092 15115 17044 21305 30230 39299 42610 55393 60460 78598 85220 87667 110786 123569 157196 175334 196495 221572 247138 276965 350668 392990 438335 494276 553930 617845 785980 876670 1107860 1139671 1235690 1606397 1753340 2279342 2471380 3212794 4558684 5698355 6425588 8031985 11396710 12881003 16063970 22793420 25762006 32127940 51524012 64405015 128810030 167453039 257620060 334906078 373549087 669812156 747098174 837265195 1494196348 1674530390 1867745435 3349060780 3735490870 4856138131 7470981740 9712276262 19424552524 24280690655 48561381310 97122762620