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164288503120 = 2457734018799
BaseRepresentation
bin1001100100000001011…
…0111001110101010000
3120201001112210200022211
42121000112321311100
510142430324044440
6203250104441504
714604136143520
oct2310026716520
9521045720284
10164288503120
1163746639015
1227a0ba79294
1312652892131
147d472c7680
1544181eeeea
hex26405b9d50

164288503120 has 80 divisors (see below), whose sum is σ = 442518105600. Its totient is φ = 55555863552.

The previous prime is 164288503087. The next prime is 164288503139. The reversal of 164288503120 is 21305882461.

164288503120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 1968520 + ... + 2050279.

It is an arithmetic number, because the mean of its divisors is an integer number (5531476320).

Almost surely, 2164288503120 is an apocalyptic number.

164288503120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164288503120 is an abundant number, since it is smaller than the sum of its proper divisors (278229602480).

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

164288503120 is a wasteful number, since it uses less digits than its factorization.

164288503120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018892 (or 4018886 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 164288503120 in words is "one hundred sixty-four billion, two hundred eighty-eight million, five hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 73 80 112 140 146 280 292 365 511 560 584 730 1022 1168 1460 2044 2555 2920 4088 5110 5840 8176 10220 20440 40880 4018799 8037598 16075196 20093995 28131593 32150392 40187990 56263186 64300784 80375980 112526372 140657965 160751960 225052744 281315930 293372327 321503920 450105488 562631860 586744654 1125263720 1173489308 1466861635 2053606289 2250527440 2346978616 2933723270 4107212578 4693957232 5867446540 8214425156 10268031445 11734893080 16428850312 20536062890 23469786160 32857700624 41072125780 82144251560 164288503120