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10215103554136 = 23131571993143813
BaseRepresentation
bin1001010010100110001110…
…0111100110001001011000
31100011112222010111222120201
42110221203213212021120
52314331013002213021
633420430452431544
72103005534364655
oct224514347461130
940145863458521
1010215103554136
113289223715a68
12118b9096185b4
135913845acb80
142745b10acc2c
1512aab9334591
hex94a639e6258

10215103554136 has 64 divisors (see below), whose sum is σ = 20862349704000. Its totient is φ = 4661091122688.

The previous prime is 10215103554133. The next prime is 10215103554163. The reversal of 10215103554136 is 63145530151201.

It is a junction number, because it is equal to n+sod(n) for n = 10215103554095 and 10215103554104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10215103554133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677366 + ... + 4821178.

It is an arithmetic number, because the mean of its divisors is an integer number (325974214125).

Almost surely, 210215103554136 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 10215103554136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10431174852000).

10215103554136 is an abundant number, since it is smaller than the sum of its proper divisors (10647246149864).

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

10215103554136 is a wasteful number, since it uses less digits than its factorization.

10215103554136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144188 (or 3144184 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 10215103554136 in words is "ten trillion, two hundred fifteen billion, one hundred three million, five hundred fifty-four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 26 52 104 157 199 314 398 628 796 1256 1592 2041 2587 4082 5174 8164 10348 16328 20696 31243 62486 124972 249944 406159 812318 1624636 3143813 3249272 6287626 12575252 25150504 40869569 81739138 163478276 326956552 493578641 625618787 987157282 1251237574 1974314564 2502475148 3948629128 5004950296 6416522333 8133044231 12833044666 16266088462 25666089332 32532176924 51332178664 65064353848 98222149559 196444299118 392888598236 785777196472 1276887944267 2553775888534 5107551777068 10215103554136