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126162045400 = 23523120348717
BaseRepresentation
bin111010101111111011…
…0000000100111011000
3110001122110010221200011
41311133312000213120
54031334440423100
6133542534251304
712054261456226
oct1653766004730
9401573127604
10126162045400
1149561205026
122054b4b6b34
13bb87a0b891
14616b897b16
153435e4bbba
hex1d5fd809d8

126162045400 has 48 divisors (see below), whose sum is σ = 302788923840. Its totient is φ = 48836918400.

The previous prime is 126162045391. The next prime is 126162045437. The reversal of 126162045400 is 4540261621.

It is a happy number.

It is a super-2 number, since 2×1261620454002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10168159 + ... + 10180558.

It is an arithmetic number, because the mean of its divisors is an integer number (6308102580).

Almost surely, 2126162045400 is an apocalyptic number.

126162045400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126162045400 is an abundant number, since it is smaller than the sum of its proper divisors (176626878440).

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

126162045400 is a wasteful number, since it uses less digits than its factorization.

126162045400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348764 (or 20348755 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 126162045400 in words is "one hundred twenty-six billion, one hundred sixty-two million, forty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 155 200 248 310 620 775 1240 1550 3100 6200 20348717 40697434 81394868 101743585 162789736 203487170 406974340 508717925 630810227 813948680 1017435850 1261620454 2034871700 2523240908 3154051135 4069743400 5046481816 6308102270 12616204540 15770255675 25232409080 31540511350 63081022700 126162045400